Supinine, lasiocarpine-N-oxide and Europine N-oxide exhibit virucidal activity to Poliomyelitis, Coxsackie, Semliki forest, Vesicular stomatitis and Herpes simplex at the concentration of 5, 10 and 20 mu g/ml respectively.

Methyl mycophenolate is found in the marine fungus Phaeosphaeria spartinae. Methyl mycophenolate is the methyl ester form of mycophenolic acid.

TH-263 is inactive toward both LIMK1 and LIMK2 and thus can be used as negative control for TH-257, and is a diaryl sulfonamide derivative.